# Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
# Licensed under the 【火山方舟】原型应用软件自用许可协议
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at 
#     https://www.volcengine.com/docs/82379/1433703
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import re

def camel_to_snake(name: str) -> str:
    name = re.sub(r'([A-Z]+)([A-Z][a-z])', r'\1_\2', name)

    name = re.sub(r'([a-z\d])([A-Z])', r'\1_\2', name)

    return name.lower()


def snake_to_camel(s: str) -> str:
    return s[0].upper() + s.title().replace('_', '')[1:] if s else ""
